145 citations · 480 across the 22 of their papers we have counts for
22 papers
Optical vortex-antivortex crystallization in free space
Haolin Lin, Yixuan Liao, Guohua Liu +5
Stable vortex lattices are basic dynamical patterns which have been demonstrated in physical systems including superconductor physics, Bose-Einstein condensates, hydrodynamics and…
Photonic Spin-Orbit Coupling Induced by Deep-Subwavelength Structured Light
Xin Zhang, Guohua Liu, Yanwen Hu +6
We demonstrate both theoretically and experimentally beam-dependent photonic spin-orbit coupling in a two-wave mixing process described by an equivalent of the Pauli equation in qu…
Airy-like hyperbolic shear polariton in high symmetry van der Waals crystals
Yihua Bai, Qing Zhang, Tan Zhang +7
Controlling light at the nanoscale by exploiting ultra-confined polaritons - hybrid light and matter waves - in various van der Waals (vdW) materials empowers unique opportunities…
Geometric phase with full-wedge and half-wedge rotation in nonlinear frequency conversion
Feiyan Zhao, Jiantao Lü, Hexiang He +3
When the quasi-phase matching (QPM) parameters of the nonlinear crystal rotate along a closed path, geometric phase will be generated in the signal and idler waves that p…
Adiabatic geometric phase in fully nonlinear three-wave mixing
Yongyao Li, Ofir Yesharim, Inbar Hurvitz +4
In a nonlinear three-wave mixing process, the interacting waves can accumulate an adiabatic geometric phase (AGP) if the nonlinear coefficient of the crystal is modulated in a prop…
Optical Superoscillatory Poisson-Arago Spots
Yanwen Hu, Shenhe Fu, Zhigui Deng +5
Optical diffraction limit has been a long-term scientific issue since Ernst Abbe first introduced the concept in 1873. It is a constraint on the smallest light spot that can be ach…
Spatiotemporal solitary modes in a twisted cylinder waveguide pipe with the self-focusing Kerr nonlinearity
Hao Huang, Lin Lyu, Maobin Xie +6
We study the spatiotemporal solitary modes that propagate in a hollow twisted cylinder waveguide pipe with a self-focusing Kerr nonlinearity. Three generic solitary modes, one belo…
Dipolar bright solitons and solitary vortices in a radial lattice
Chunqing Huang, Lin Lyu, Hao Huang +5
Stabilizing vortex solitons with high values of the topological charge, S, is a challenging issue in optics, studies of Bose-Einstein condensates (BECs) and other fields. To develo…
Two-dimensional dipolar gap solitons in free space with spin-orbit coupling
Yongyao Li, Yan Liu, Zhiwei Fan +3
We present gap solitons (GSs) that can be created in free nearly two-dimensional (2D) space in dipolar spinor Bose-Einstein condensates with the spin-orbit coupling (SOC), subject…
Two-dimensional solitons and quantum droplets supported by competing self- and cross-interactions in spin-orbit-coupled condensates
Yongyao Li, Zhihuan Luo, Yan Liu +5
We study two-dimensional (2D) matter-wave solitons in spinor Bose-Einstein condensates (BECs) under the action of the spin-orbit coupling (SOC) and opposite signs of the self- and…
Ultrafast Optical Signal Processing with Bragg Structures
Yikun Liu, Shenhe Fu, Boris A. Malomed +2
The phase, amplitude, speed, and polarization, in addition to many other properties of light, can be modulated by photonic Bragg structures. In conjunction with nonlinearity and qu…
Femtosecond soliton diode on heterojunction Bragg-grating structure
Zhigui Deng, Haolin Lin, Hongji Li +4
We numerically propose a scheme for realizing an all-optical femtosecond soliton diode based on a tailored heterojunction Bragg grating, which is designed by two spatially asymmetr…
Anderson localization in metallic nanoparticle arrays
Zhijie Mai, Fang Lin, Wei Pang +4
Anderson localization has been observed in various types of waves, such as matter waves, optical waves and acoustic waves. Here we reveal that the effect of Anderson localization c…
Slow-light all-optical soliton diode based on tailored Bragg-grating structure
Hongji Li, Zhigui Deng, Jiasheng Huang +2
An all optical soliton diode (AOSD) is proposed based on a sandwich nonlinear Bragg-grating structure: a linearly chirped Bragg-grating linked to a uniform Bragg-grating and again…
Nonlinear light propagation in cholesteric liquid crystals with a helical Bragg microstructure
Yikun Liu, Shenhe Fu, Xing Zhu +7
Nonlinear optical propagation in cholesteric liquid crystals (CLC) with a spatially periodic helical molecular structure is studied experimentally and modeled numerically. This per…
Tunable storage of optical pulses in a tailored Bragg-grating structure
Shenhe Fu, Yongyao Li, Yikun Liu +2
Scenarios for controllable creation, trapping and holding of single and multiple solitons in a specially designed nonlinear Bragg grating (BG) are proposed. The setting includes a…
Discrete solitons in waveguide arrays with long-range linearly coupled effect
Zhijie Mai, Shenhe Fu, Jianxiong Wu +1
We study the influences to the discrete soliton (DS) by introducing linearly long-range nonlocal interactions, which give rise to the off-diagonal elements of the linearly coupled…
Control of the stability and soliton formation of dipole moments in a nonlinear plasmonic finite nanoparticle array
Zhijie Mai, Shenhe Fu, Yongyao Li +3
We perform numerical analysis of a finite nanoparticle array, in which the transversal dipolar polarizations are excited by a homogenous optical field. Considering the linearly lon…
Discrete solitons and vortices on two-dimensional lattices of -symmetric couplers
Zhaopin Chen, Jingfeng Liu, Shenhe Fu +2
We introduce a 2D network built of -symmetric dimers with on-site cubic nonlinearity, the gain and loss elements of the dimers being linked by parallel square-shaped…
Direct femtosecond pulse compression with miniature-sized Bragg cholesteric liquid crystal
Liyan Song, Shenhe Fu, Yikun Liu +3
Direct compression of femtosecond optical pulses from a Ti:sapphire laser oscillator was realized with a cholesteric liquid crystal acting as a nonlinear 1D periodic Bragg grating.…
Buffering and Trapping Ultrashort Optical Pulses in Concatenated Bragg Gratings
Shenhe Fu, Yikun Liu, Yongyao Li +4
Strong retardation of ultrashort optical pulses, including their deceleration and stoppage in the form of Bragg solitons in a cascaded Bragg-grating (BG) structure, is proposed. Th…
Two-component solitons under a spatially modulated linear coupling: Inverted photonic crystals and fused couplers
Yongyao Li, Wei Pang, Shenhe Fu +1
We study two-component solitons and their symmetry-breaking bifurcations (SBBs) in linearly coupled photonic systems with a spatially inhomogeneous strength of the coupling. One sy…